KR20190055128A - 고성능 다중모드 초고분자량 폴리에틸렌 - Google Patents
고성능 다중모드 초고분자량 폴리에틸렌 Download PDFInfo
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- KR20190055128A KR20190055128A KR1020197010026A KR20197010026A KR20190055128A KR 20190055128 A KR20190055128 A KR 20190055128A KR 1020197010026 A KR1020197010026 A KR 1020197010026A KR 20197010026 A KR20197010026 A KR 20197010026A KR 20190055128 A KR20190055128 A KR 20190055128A
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- polyethylene
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- 239000004699 Ultra-high molecular weight polyethylene Substances 0.000 title claims description 39
- 229920000785 ultra high molecular weight polyethylene Polymers 0.000 title claims description 39
- 229920000573 polyethylene Polymers 0.000 claims abstract description 131
- -1 polyethylene Polymers 0.000 claims abstract description 125
- 239000004698 Polyethylene Substances 0.000 claims abstract description 124
- 239000001257 hydrogen Substances 0.000 claims abstract description 108
- 229910052739 hydrogen Inorganic materials 0.000 claims abstract description 108
- UFHFLCQGNIYNRP-UHFFFAOYSA-N Hydrogen Chemical compound [H][H] UFHFLCQGNIYNRP-UHFFFAOYSA-N 0.000 claims abstract description 105
- 238000006116 polymerization reaction Methods 0.000 claims abstract description 38
- 230000008030 elimination Effects 0.000 claims abstract description 14
- 238000003379 elimination reaction Methods 0.000 claims abstract description 14
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- 238000000034 method Methods 0.000 claims description 30
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- VGGSQFUCUMXWEO-UHFFFAOYSA-N Ethene Chemical compound C=C VGGSQFUCUMXWEO-UHFFFAOYSA-N 0.000 claims description 16
- 238000005299 abrasion Methods 0.000 claims description 12
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- 239000007789 gas Substances 0.000 claims description 9
- 238000005227 gel permeation chromatography Methods 0.000 claims description 9
- 239000000155 melt Substances 0.000 claims description 8
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- 238000009826 distribution Methods 0.000 claims description 2
- 238000000926 separation method Methods 0.000 claims description 2
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- 229920000642 polymer Polymers 0.000 description 46
- VLKZOEOYAKHREP-UHFFFAOYSA-N n-Hexane Chemical compound CCCCCC VLKZOEOYAKHREP-UHFFFAOYSA-N 0.000 description 29
- 230000000052 comparative effect Effects 0.000 description 22
- VXNZUUAINFGPBY-UHFFFAOYSA-N ethyl ethylene Natural products CCC=C VXNZUUAINFGPBY-UHFFFAOYSA-N 0.000 description 17
- 229920006158 high molecular weight polymer Polymers 0.000 description 12
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- 239000004700 high-density polyethylene Substances 0.000 description 11
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- LIKMAJRDDDTEIG-UHFFFAOYSA-N 1-hexene Chemical compound CCCCC=C LIKMAJRDDDTEIG-UHFFFAOYSA-N 0.000 description 6
- 229920001577 copolymer Polymers 0.000 description 6
- 125000004435 hydrogen atom Chemical group [H]* 0.000 description 6
- 238000002360 preparation method Methods 0.000 description 6
- 238000012360 testing method Methods 0.000 description 6
- 238000007334 copolymerization reaction Methods 0.000 description 5
- 239000002904 solvent Substances 0.000 description 5
- PBKONEOXTCPAFI-UHFFFAOYSA-N 1,2,4-trichlorobenzene Chemical compound ClC1=CC=C(Cl)C(Cl)=C1 PBKONEOXTCPAFI-UHFFFAOYSA-N 0.000 description 4
- NNPPMTNAJDCUHE-UHFFFAOYSA-N isobutane Chemical compound CC(C)C NNPPMTNAJDCUHE-UHFFFAOYSA-N 0.000 description 4
- 239000000463 material Substances 0.000 description 4
- 238000005259 measurement Methods 0.000 description 4
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- 230000000704 physical effect Effects 0.000 description 3
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- AFABGHUZZDYHJO-UHFFFAOYSA-N 2-Methylpentane Chemical compound CCCC(C)C AFABGHUZZDYHJO-UHFFFAOYSA-N 0.000 description 2
- IJGRMHOSHXDMSA-UHFFFAOYSA-N Atomic nitrogen Chemical compound N#N IJGRMHOSHXDMSA-UHFFFAOYSA-N 0.000 description 2
- IMNFDUFMRHMDMM-UHFFFAOYSA-N N-Heptane Chemical compound CCCCCCC IMNFDUFMRHMDMM-UHFFFAOYSA-N 0.000 description 2
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- 229920010741 Ultra High Molecular Weight Polyethylene (UHMWPE) Polymers 0.000 description 2
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- QPFMBZIOSGYJDE-QDNHWIQGSA-N 1,1,2,2-tetrachlorethane-d2 Chemical compound [2H]C(Cl)(Cl)C([2H])(Cl)Cl QPFMBZIOSGYJDE-QDNHWIQGSA-N 0.000 description 1
- 238000001644 13C nuclear magnetic resonance spectroscopy Methods 0.000 description 1
- 101710082795 30S ribosomal protein S17, chloroplastic Proteins 0.000 description 1
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- OTMSDBZUPAUEDD-UHFFFAOYSA-N Ethane Chemical compound CC OTMSDBZUPAUEDD-UHFFFAOYSA-N 0.000 description 1
- 238000012565 NMR experiment Methods 0.000 description 1
- 239000004743 Polypropylene Substances 0.000 description 1
- BGYHLZZASRKEJE-UHFFFAOYSA-N [3-[3-(3,5-ditert-butyl-4-hydroxyphenyl)propanoyloxy]-2,2-bis[3-(3,5-ditert-butyl-4-hydroxyphenyl)propanoyloxymethyl]propyl] 3-(3,5-ditert-butyl-4-hydroxyphenyl)propanoate Chemical compound CC(C)(C)C1=C(O)C(C(C)(C)C)=CC(CCC(=O)OCC(COC(=O)CCC=2C=C(C(O)=C(C=2)C(C)(C)C)C(C)(C)C)(COC(=O)CCC=2C=C(C(O)=C(C=2)C(C)(C)C)C(C)(C)C)COC(=O)CCC=2C=C(C(O)=C(C=2)C(C)(C)C)C(C)(C)C)=C1 BGYHLZZASRKEJE-UHFFFAOYSA-N 0.000 description 1
- 239000000654 additive Substances 0.000 description 1
- 230000000996 additive effect Effects 0.000 description 1
- 150000001338 aliphatic hydrocarbons Chemical class 0.000 description 1
- 238000000137 annealing Methods 0.000 description 1
- 239000003963 antioxidant agent Substances 0.000 description 1
- 230000003078 antioxidant effect Effects 0.000 description 1
- 238000004364 calculation method Methods 0.000 description 1
- 238000001460 carbon-13 nuclear magnetic resonance spectrum Methods 0.000 description 1
- 238000012512 characterization method Methods 0.000 description 1
- 238000006243 chemical reaction Methods 0.000 description 1
- 239000003795 chemical substances by application Substances 0.000 description 1
- 238000013329 compounding Methods 0.000 description 1
- 239000012967 coordination catalyst Substances 0.000 description 1
- 239000013078 crystal Substances 0.000 description 1
- 238000000354 decomposition reaction Methods 0.000 description 1
- 230000001419 dependent effect Effects 0.000 description 1
- 238000011161 development Methods 0.000 description 1
- 238000000113 differential scanning calorimetry Methods 0.000 description 1
- 229920006351 engineering plastic Polymers 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
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- 238000002474 experimental method Methods 0.000 description 1
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- 238000004817 gas chromatography Methods 0.000 description 1
- 238000005984 hydrogenation reaction Methods 0.000 description 1
- 238000011065 in-situ storage Methods 0.000 description 1
- 239000011261 inert gas Substances 0.000 description 1
- 238000010102 injection blow moulding Methods 0.000 description 1
- 239000011159 matrix material Substances 0.000 description 1
- 238000000691 measurement method Methods 0.000 description 1
- 229920001179 medium density polyethylene Polymers 0.000 description 1
- 239000004701 medium-density polyethylene Substances 0.000 description 1
- 238000000465 moulding Methods 0.000 description 1
- 229910052757 nitrogen Inorganic materials 0.000 description 1
- 239000012299 nitrogen atmosphere Substances 0.000 description 1
- 230000003534 oscillatory effect Effects 0.000 description 1
- 238000012856 packing Methods 0.000 description 1
- 239000002985 plastic film Substances 0.000 description 1
- 238000013001 point bending Methods 0.000 description 1
- 229920000515 polycarbonate Polymers 0.000 description 1
- 239000004417 polycarbonate Substances 0.000 description 1
- 239000002861 polymer material Substances 0.000 description 1
- 239000002685 polymerization catalyst Substances 0.000 description 1
- 229920001155 polypropylene Polymers 0.000 description 1
- 239000001294 propane Substances 0.000 description 1
- 239000002994 raw material Substances 0.000 description 1
- 238000011084 recovery Methods 0.000 description 1
- 238000007665 sagging Methods 0.000 description 1
- 239000012488 sample solution Substances 0.000 description 1
- 229920006395 saturated elastomer Polymers 0.000 description 1
- 239000003381 stabilizer Substances 0.000 description 1
- 238000003756 stirring Methods 0.000 description 1
- 239000000126 substance Substances 0.000 description 1
- 230000000153 supplemental effect Effects 0.000 description 1
- 238000010998 test method Methods 0.000 description 1
- 125000000383 tetramethylene group Chemical group [H]C([H])([*:1])C([H])([H])C([H])([H])C([H])([H])[*:2] 0.000 description 1
- 238000012546 transfer Methods 0.000 description 1
- PXXNTAGJWPJAGM-UHFFFAOYSA-N vertaline Natural products C1C2C=3C=C(OC)C(OC)=CC=3OC(C=C3)=CC=C3CCC(=O)OC1CC1N2CCCC1 PXXNTAGJWPJAGM-UHFFFAOYSA-N 0.000 description 1
- 230000004580 weight loss Effects 0.000 description 1
Classifications
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Abstract
Description
Claims (16)
- 하기를 포함하는, 다중모드(multimodal) 폴리에틸렌 중합 공정을 위한 반응기 시스템:
(a) 제1 반응기;
(b) 수소 제거 유닛으로서, 상기 수소 제거 유닛은 상기 제1 반응기 및 제2 반응기 사이에 배열되며, 감압 장비와 연결된 적어도 하나의 용기를 포함하고, 상기 감압 장비는 바람직하게는 진공 펌프, 압축기, 송풍기, 이젝터(ejector) 또는 이들의 조합으로부터 선택되며, 상기 감압 장비는 작동 압력을 100 내지 200 kPa (abs) 범위의 압력으로 조정하는 것을 가능하게 하는, 수소 제거 유닛;
(c) 상기 제2 반응기; 및
(d) 제3 반응기. - 제1항에 있어서, 상기 감압 장비가 상기 수소 제거 유닛 내 작동 압력을 103 내지 145 kPa (abs), 바람직하게는 104 내지 130 kPa (abs), 가장 바람직하게는 105 내지 115 kPa (abs) 범위의 압력으로 조정하는 것을 가능하게 하는, 반응기 시스템.
- 제1항 또는 제2항에 있어서, 상기 수소 제거 유닛이 수소 및 액체 희석제의 분리를 위한 스트리핑(stripping) 칼럼을 추가로 함유하는, 반응기 시스템.
- 하기 단계를 포함하는, 제1항 내지 제3항 중 어느 한 항에 따른 반응기 시스템에서 다중모드 폴리에틸렌 조성물을 제조하는 방법:
(a) 지글러-나타 촉매(Ziegler-Natta catalyst) 또는 메탈로센으로부터 선택된 촉매 시스템의 존재 하에, 그리고 상기 제1 반응기 내 증기상 중에 존재하는 총 가스 대비 0.1 내지 95 mol%의 양의 수소의 존재 하에 상기 제1 반응기 내 불활성 탄화수소 매질 중에서 에틸렌을 중합하여, 20,000 내지 90,000 g/mol의 중량 평균 분자량 (Mw)을 갖는 저분자량 폴리에틸렌 또는 90,000 초과 내지 150,000 g/mol의 중량 평균 분자량 (Mw)을 갖는 중분자량(medium molecular weight) 폴리에틸렌을 얻는 단계로서, 각각 상기 저분자량 폴리에틸렌, 상기 중분자량 폴리에틸렌은 적어도 0.965 g/cm3의 밀도를 갖고, 상기 저분자량 폴리에틸렌은 10 내지 1,000 g/10 min 범위의 MI2를 갖고, 상기 중분자량 폴리에틸렌은 0.1 내지 10 g/10 min 범위의 MI2를 갖는, 단계;
(b) 상기 수소 제거 유닛에서, 103 내지 145 kPa (abs) 범위의 압력에서 상기 제1 반응기로부터 얻어진 슬러리 혼합물에 포함된 수소 중 98.0 내지 99.8 중량%를 제거하고, 얻어진 잔류 혼합물을 상기 제2 반응기로 옮기는 단계;
(c) 에틸렌 및 선택적으로(optionally) α-올레핀 코모노머를 상기 제2 반응기에서 지글러-나타 촉매 또는 메탈로센으로부터 선택된 촉매 시스템의 존재 하에 그리고 단계 (b)에서 얻어진 양의 수소의 존재 하에 중합하여, 150,000 초과 내지 1,000,000 g/mol의 중량 평균 분자량 (Mw)을 갖는 제1 고분자량 폴리에틸렌, 또는 1,000,000 초과 내지 5,000,000 g/mol의 중량 평균 분자량 (Mw)을 갖는 호모폴리머 또는 코폴리머 형태의 제1 초고분자량 폴리에틸렌을 얻고, 생성된 혼합물을 상기 제3 반응기로 옮기는 단계; 및
(d) 에틸렌 및 선택적으로(optionally) α-올레핀 코모노머를 상기 제3 반응기에서 지글러-나타 촉매 또는 메탈로센으로부터 선택된 촉매 시스템 및 수소의 존재 하에 또는 선택적으로(optionally) 수소의 실질적인 부재 하에 중합하여, 150,000 초과 내지 1,000,000 g/mol의 중량 평균 분자량 (Mw)을 갖는 제2 고분자량 폴리에틸렌, 또는 1,000,000 초과 내지 5,000,000 g/mol의 중량 평균 분자량 (Mw)을 갖는 제2 초고분자량 폴리에틸렌 코폴리머를 얻는 단계로서, 존재하는 경우 상기 제3 반응기에서의 수소의 양은 상기 제3 반응기 내 증기상 중에 존재하는 총 가스 대비 0.1 내지 70 mol%, 바람직하게는 0.1 내지 60 mol% 범위인, 단계. - 제4항에 있어서, 상기 제거 단계가 상기 수소 중 98.0 내지 99.8 중량%, 더욱 바람직하게는 98.0 내지 99.5 중량%, 가장 바람직하게는 98.0 내지 99.1 중량%를 제거하는, 방법.
- 제4항 또는 제5항에 있어서, 상기 수소 제거 유닛 내 상기 작동 압력이 103 내지 145 kPa (abs), 더욱 바람직하게는 104 내지 130 kPa (abs), 가장 바람직하게는 105 내지 115 kPa (abs)의 범위인, 방법.
- 제4항 내지 제6항 중 어느 한 항에 따른 방법에 의해 얻어질 수 있는 다중모드 폴리에틸렌 조성물로서, 상기 다중모드 폴리에틸렌 조성물은
(A) 30 내지 65 중량부, 바람직하게는 30 내지 50 중량부, 가장 바람직하게는 30 내지 40 중량부의, 20,000 내지 90,000 g/mol의 중량 평균 분자량 (Mw)을 갖는 상기 저분자량 폴리에틸렌 또는 90,000 초과 내지 150,000 g/mol의 중량 평균 분자량 (Mw)을 갖는 중분자량 폴리에틸렌;
(B) 5 내지 40 중량부, 바람직하게는 10 내지 35 중량부, 가장 바람직하게는 15 내지 35 중량부의, 150,000 초과 내지 1,000,000 g/mol의 중량 평균 분자량 (Mw)을 갖는 상기 제1 고분자량 폴리에틸렌 또는 1,000,000 초과 내지 5,000,000 g/mol의 중량 평균 분자량 (Mw)을 갖는 상기 제1 초고분자량 폴리에틸렌; 및
(C) 10 내지 60 중량부, 바람직하게는 15 내지 60 중량부, 가장 바람직하게는 20 내지 60 중량부의, 150,000 초과 내지 1,000,000 g/mol의 중량 평균 분자량 (Mw)을 갖는 상기 제2 고분자량 폴리에틸렌 또는 1,000,000 초과 내지 5,000,000 g/mol의 중량 평균 분자량 (Mw)을 갖는 상기 제2 초고분자량 폴리에틸렌;을 포함하며,
상기 다중모드 폴리에틸렌 조성물의 MI21은 3.0 g/10 min 미만, 바람직하게는 2.0 g/10 min 미만이고,
상기 다중모드 폴리에틸렌 조성물의 23℃에서의 샤르피 충격 강도(Charpy impact strength)는 ISO179에 의해 측정된, 적어도 70 kJ/m2, 바람직하게는 70 내지 120 kJ/m2인,
다중모드 폴리에틸렌 조성물. - 제7항에 있어서, 상기 다중모드 폴리에틸렌 조성물이 ISO179에 의해 측정된, 78 내지 90 kJ/m2의 23℃에서의 샤르피 충격 강도를 갖는 다중모드 폴리에틸렌 조성물.
- 제7항 또는 제8항에 있어서, 상기 다중모드 폴리에틸렌 조성물이 0.01 내지 1.5 g/10 min, 바람직하게는 0.05 내지 1.0 g/ 10 min, 더욱 바람직하게는 0.1 내지 0.5 g/10 min의 MI21을 갖는 다중모드 폴리에틸렌 조성물.
- 제7항 내지 제9항 중 어느 한 항에 있어서, 상기 다중모드 폴리에틸렌 조성물이 ASTM D 4060에 의해 측정된, 0.01 내지 1.0%, 바람직하게는 0.01 내지 0.6%, 더욱 바람직하게는 0.01 내지 0.3% 범위의 내마모성을 갖는 다중모드 폴리에틸렌 조성물.
- 제7항 내지 제10항 중 어느 한 항에 있어서, 상기 다중모드 폴리에틸렌 조성물이 겔 투과 크로마토그래피에 의해 측정된, 80,000 내지 5,000,000 g/mol, 바람직하게는 300,000 내지 5,000,000 g/mol, 더욱 바람직하게는 500,000 내지 3,000,000 g/mol의 중량 평균 분자량을 갖는 다중모드 폴리에틸렌 조성물.
- 제7항 내지 제11항 중 어느 한 항에 있어서, 상기 다중모드 폴리에틸렌 조성물이 겔 투과 크로마토그래피에 의해 측정된, 5,000 내지 100,000 g/mol, 바람직하게는 8,000 내지 100,000 g/mol, 더욱 바람직하게는 10,000 내지 80,000 g/mol의 수 평균 분자량을 갖는 다중모드 폴리에틸렌 조성물.
- 제7항 내지 제12항 중 어느 한 항에 있어서, 상기 다중모드 폴리에틸렌 조성물이 겔 투과 크로마토그래피에 의해 측정된, 700,000 내지 10,000,000 g/mol, 바람직하게는 2,000,000 내지 10,000,000 g/mol, 더욱 바람직하게는 3,000,000 내지 8,000,000 g/mol의 Z 평균 분자량을 갖는 다중모드 폴리에틸렌 조성물.
- 제7항 내지 제13항 중 어느 한 항에 있어서, 상기 다중모드 폴리에틸렌 조성물이 ASTM D 1505에 따른 0.930 내지 0.965 g/cm3의 밀도, 및/또는 ASTM D 2515에 따라 측정된, 1 내지 30 dl/g, 바람직하게는 5 내지 25 dl/g의 고유 점도를 갖는 다중모드 폴리에틸렌 조성물.
- 제7항 내지 제14항 중 어느 한 항에 따른 다중모드 폴리에틸렌 조성물을 포함하는 시트.
- 라이너(liner), 프로파일(profile), 기계 또는 산업용 부품으로서의, 제15항에 따른 시트의 용도.
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